Eric Laurent | 7c31847e | 2018-11-29 14:33:56 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "core_jni_helpers.h" |
| 18 | #include "android_media_AudioErrors.h" |
| 19 | #include "media/AudioEffect.h" |
| 20 | |
| 21 | using namespace android; |
| 22 | |
| 23 | static jclass gAudioEffectDescriptorClass; |
| 24 | static jmethodID gAudioEffectDescriptorCstor; |
| 25 | |
| 26 | namespace android { |
| 27 | |
| 28 | jclass audioEffectDescriptorClass() { |
| 29 | return gAudioEffectDescriptorClass; |
| 30 | } |
| 31 | |
| 32 | jint convertAudioEffectDescriptorFromNative(JNIEnv* env, jobject* jDescriptor, |
| 33 | const effect_descriptor_t* nDescriptor) |
| 34 | { |
| 35 | jstring jType; |
| 36 | jstring jUuid; |
| 37 | jstring jConnect; |
| 38 | jstring jName; |
| 39 | jstring jImplementor; |
| 40 | char str[EFFECT_STRING_LEN_MAX]; |
| 41 | |
| 42 | if ((nDescriptor->flags & EFFECT_FLAG_TYPE_MASK) |
| 43 | == EFFECT_FLAG_TYPE_AUXILIARY) { |
| 44 | jConnect = env->NewStringUTF("Auxiliary"); |
| 45 | } else if ((nDescriptor->flags & EFFECT_FLAG_TYPE_MASK) |
| 46 | == EFFECT_FLAG_TYPE_INSERT) { |
| 47 | jConnect = env->NewStringUTF("Insert"); |
| 48 | } else if ((nDescriptor->flags & EFFECT_FLAG_TYPE_MASK) |
| 49 | == EFFECT_FLAG_TYPE_PRE_PROC) { |
| 50 | jConnect = env->NewStringUTF("Pre Processing"); |
| 51 | } else { |
| 52 | return (jint) AUDIO_JAVA_BAD_VALUE; |
| 53 | } |
| 54 | |
| 55 | AudioEffect::guidToString(&nDescriptor->type, str, EFFECT_STRING_LEN_MAX); |
| 56 | jType = env->NewStringUTF(str); |
| 57 | |
| 58 | AudioEffect::guidToString(&nDescriptor->uuid, str, EFFECT_STRING_LEN_MAX); |
| 59 | jUuid = env->NewStringUTF(str); |
| 60 | |
| 61 | jName = env->NewStringUTF(nDescriptor->name); |
| 62 | jImplementor = env->NewStringUTF(nDescriptor->implementor); |
| 63 | |
| 64 | *jDescriptor = env->NewObject(gAudioEffectDescriptorClass, |
| 65 | gAudioEffectDescriptorCstor, |
| 66 | jType, |
| 67 | jUuid, |
| 68 | jConnect, |
| 69 | jName, |
| 70 | jImplementor); |
| 71 | env->DeleteLocalRef(jType); |
| 72 | env->DeleteLocalRef(jUuid); |
| 73 | env->DeleteLocalRef(jConnect); |
| 74 | env->DeleteLocalRef(jName); |
| 75 | env->DeleteLocalRef(jImplementor); |
| 76 | |
| 77 | return (jint) AUDIO_JAVA_SUCCESS; |
| 78 | } |
| 79 | |
| 80 | void convertAudioEffectDescriptorVectorFromNative(JNIEnv *env, jobjectArray *jDescriptors, |
| 81 | const std::vector<effect_descriptor_t>& nDescriptors) |
| 82 | { |
| 83 | jobjectArray temp = env->NewObjectArray(nDescriptors.size(), |
| 84 | audioEffectDescriptorClass(), NULL); |
| 85 | size_t actualSize = 0; |
| 86 | for (size_t i = 0; i < nDescriptors.size(); i++) { |
| 87 | jobject jdesc; |
| 88 | if (convertAudioEffectDescriptorFromNative(env, |
| 89 | &jdesc, |
| 90 | &nDescriptors[i]) |
| 91 | != AUDIO_JAVA_SUCCESS) { |
| 92 | continue; |
| 93 | } |
| 94 | |
| 95 | env->SetObjectArrayElement(temp, actualSize++, jdesc); |
| 96 | env->DeleteLocalRef(jdesc); |
| 97 | } |
| 98 | |
| 99 | *jDescriptors = env->NewObjectArray(actualSize, audioEffectDescriptorClass(), NULL); |
| 100 | for (size_t i = 0; i < actualSize; i++) { |
| 101 | env->SetObjectArrayElement(*jDescriptors, |
| 102 | i, |
| 103 | env->GetObjectArrayElement(temp, i)); |
| 104 | } |
| 105 | env->DeleteLocalRef(temp); |
| 106 | } |
| 107 | |
| 108 | }; // namespace android |
| 109 | |
| 110 | int register_android_media_AudioEffectDescriptor(JNIEnv* env) { |
| 111 | jclass audioEffectDescriptorClass = |
| 112 | FindClassOrDie(env, "android/media/audiofx/AudioEffect$Descriptor"); |
| 113 | gAudioEffectDescriptorClass = |
| 114 | MakeGlobalRefOrDie(env, audioEffectDescriptorClass); |
| 115 | gAudioEffectDescriptorCstor = |
| 116 | GetMethodIDOrDie(env, |
| 117 | audioEffectDescriptorClass, |
| 118 | "<init>", |
| 119 | "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V"); |
| 120 | |
| 121 | env->DeleteLocalRef(audioEffectDescriptorClass); |
| 122 | return 0; |
| 123 | } |